public void IsNotNull_WhenValueIsNull_WritesTraceMessage()
{
var listener = new TestListener();
Trace.Listeners.Add(listener);
var data = new FileData { StringValue = null };
Assert.Throws<ArgumentException>(() => data.IsNotNull());
Assert.AreEqual("Test:IsNotNullFailed:IsNotNull", listener.Output);
Trace.Listeners.Remove(listener);
}
public void DoesNotContainANumber_WhenStringDoesContainANumber_WritesTraceMessage()
{
var listener = new TestListener();
Trace.Listeners.Add(listener);
var data = new FileData { StringValue = "1" };
Assert.Throws<ArgumentException>(() => data.DoesNotContainANumber());
Assert.AreEqual("Test:DoesNotContainANumberFailed:DoesNotContainANumber", listener.Output);
Trace.Listeners.Remove(listener);
}